JPS6290183A - Auxiliary seat for surfboard - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention describes an auxiliary seat for a surfboard.

Surfboards are increasingly being used and for many people the problems involved by using them alone or with sails are such that such surfboards can be used with oars for propulsion. Research is underway to convert it into a simpler vessel.

A skilled and well-trained “surfer”
While it is true that it is possible to propel these boards without sails, standing up and manoeuvring them with double oars, such applications may pose problems for unskilled persons and children. It is also true that

Taking into account all these problems, the present invention proposes the arbitrary conversion of a conventional surfboard into an oar-shaped surfboard, and for this purpose, together with conventional propulsion sail means and a corresponding board. Assuming that the sheet is to be used later with the aid of a sheet, sheets adapted to the board are being investigated so that their modification is not absolutely necessary.

To this effect, the use of openings for the connection of masts and boards for fixing the sheets was considered.

For this purpose, said sheet is made by a frame in the form of a rectangular tube, the dimensions of which approximately match the width of the board;
On the other hand, in the longitudinal direction it is envisaged that it can be adapted to different lengths and expanded as such to suit the wishes of the user. Greater comfort is achieved by having a raised backrest at one end of the frame, while the other end is shaped like a footrest bar.

A cross member is attached to the frame, which is a holder for the part for fixing to the board. Among the fastening parts, a lined elastic sleeve expanded by axial compression was chosen as the most suitable. This is done so that when inserted into the mast and board housings they ensure the correct position of the frame in the expanded state.

The cross member for holding the fixed part can be moved along the frame to align the fixed part with the mast and the board housing, depending on the type of board.

It is contemplated that the cross member can be secured to the frame at selected locations. A system of threaded sleeves with internal flexible clamps that could prevent protrusion beyond the frame was chosen as the most suitable means.

The seat itself, as well as the backrest, are made from sheet-like parts, sewn or fixed by other means, but with sufficient resistance for the proposed purpose.

It is foreseen that when the board is to be used with a seat made for children with the purpose of reducing the space from the seat, an auxiliary footrest can be connected, so that the feet can be rested comfortably. Ru.

Especially when the board is to be used by beginners,
It is also conceivable to include a stabilizing support frame or oar cradle to ensure the position of the oars.

Other fastening means can be used when joining the frame to the board, such as grips clamping the longitudinal edges, but such It is conceivable that the parts will destroy the water line of the board.

Just as expandable lined sleeves are used as a means of securing the mast and board to the housing, other means may be used in their place, as long as the lead surface is kept clear to facilitate board movement. may be used and so there is no possibility of scraping against the protruding parts which could injure the user, for example when he falls over.

For this same reason, all the parts that make up the seat were designed to have smooth curves, without any protrusions.

In the same way that the sheet is joined to the board to convert it into an oar-shaped vessel, the sheet can be removed with similar ease to the normal use of a surfboard with mast, sail and board. It is.

As a non-limiting example of the concept described, a practical example of the sheet in question is shown in the drawings attached as a supplement to this specification.

FIG. 1 shows the parts for making the sheet in preparation for assembly, separated from each other and viewed from the side.

The frame in tubular form consists of two telescopically tubeable parts 1 and 2, which are provided with fixing means 3 and 2, at their relative positions between the parts, which determine their length. 4 is provided.

Another frame 5 is fitted into the frame 1, and this frame 5 is a backrest frame connected to the frame 5 by 6. The closed end 7 of the frame 2 is raised to form a bar for the user's footrest. Each of the sleeves 8 formed by the nut 9 and the clamp mouthpiece 10 is axially penetrated by the frame, and the cross members 11 and 12 providing means for fixing the unit to the surfboard respectively Form. These fixing means are in this case nuts 15
are represented by expandable elastic sleeves 13 and 14 such that they are screwed onto studs surrounded by the sleeves.

Figure 2 shows the assembled frame. An auxiliary intersection 17 can be arranged on the inclined extension of the frame 2, so that when the seat is used by a child, the child can rest his or her feet comfortably.

FIG. 3 shows a plan view of the sheet, and the dash-dotted line represents the intersection 17.

FIG. 4 shows a perspective view of a seat mounted on a surfboard. It is shown how the expandable elastic sleeve matches the position of the mast housing 18 and the board casing 19 as the cross members can move all along the frame. The main body of the seat 20 and the main body of the backrest 21 are indicated by dashed lines.

Figure 5 shows the oar receiver 23 for placing independent oars.
This corresponds to a diagram showing an example of the arrangement of the auxiliary frame 22 provided with the auxiliary frames 22 and 24.

Finally, FIG. 6 shows a view of the frame 25 provided with stabilizers 26 and 27.

There is the possibility of arranging the oar support and the stabilizer in one frame. .

From all of the above, the essential part of this invention is that the seat can be removed without having to change the surfboard at all and without affecting its waterline.
It is intended that the surfboard can be converted into a vessel in which the user sits comfortably and uses oars to propel itself; in the absence of that, the surfboard can be used with a mast and sail, and its It can also be used with a board.

The part of the sheet itself corresponding to the reference numeral 1 can be moved with respect to the support, in other words it can have a superimposed sheet that is moved when the surfboard is used as a "skiff" and when used A string can be placed on the footrest 7 to prevent the person's feet from moving and increase safety.

[Brief explanation of drawings]

FIG. 1 shows an exploded side view of the auxiliary seat of the present invention. Figure 2 shows the assembled frame. FIG. 3 shows a top view of the sheet of the invention. FIG. 4 shows a perspective view of a seat mounted on a surfboard. FIG. 5 shows an example of the structure of the auxiliary frame. FIG. 6 shows a view of the frame provided with a stabilizing device. In the figure, 1.2 and 5 are frames, 3 and 4 are fixing means, 8 is a sleeve, 9 is a nut, 10 is a clamp mouthpiece, 11 and 12 are cross members, 13 and 14 are elastic sleeves, and 17 is a cross section shows. Patent applicant Mignil Angel Q Rocello φ Tsuya, representative patent attorney Kube Fukami, -2- (and 2 others) -:- What about the drawings? J mountain (no two feet in 1°Rj) Fl (r3 hair FIG, -6 Ding continuous capture 11τ (method) % formula % 1, Display of incident 1986 Patent application No. 195151 2, Name of invention For surfboards Supplementary Sheet 3, What is the relationship between the stone case to be amended? Patent Applicant Address Spain, 40005 Valencia Almirande Cagruso, 12 Name Miguel Ambel Rosello Sosse 4, Agent Worker Irisaka-Kihito-ku Hirano-cho 2-8-1 Hirano-cho Yachiyo Building Voluntary amendment 6, drawing subject to amendment 7, contents of amendment The drawings drawn by Kou Seiji will be supplemented as shown in the attached sheet. . that's all

Claims (1)

[Claims] A frame in the form of a tube, having a rectangular shape and divided by its larger side into two telescopically attachable parts and provided with means for adjusting its length to adapt it to different lengths. and those 2 of the frame
One closed end of the two parts is raised to form a footrest for the user, and the other part of the frame is connected to a supporting first frame forming a foldable backrest. A third U-shaped tube-type frame is provided, comprising two intersecting members, with foresight means for fixing the unit to the surfboard, the ends of which are provided with corresponding fixing means provided on the surfboard. said fixing means preferably comprise lined elastic sleeves coupled to the board casing and the mast coupling opening, respectively. Auxiliary seat for surfboards, consisting of blocks, on the other hand, with the special feature that stable floats for joining the oars and other transverse frames supporting the oar receivers can be fitted onto the frame itself.